Bearings – Rotary bearing – Fluid bearing
Patent
1996-09-18
1999-03-23
Marmor, Charles A.
Bearings
Rotary bearing
Fluid bearing
315133, 315371, 315415, F16C 3206
Patent
active
058850058
ABSTRACT:
A bearing device where a sliding bearing rotatably supporting a shaft is molded with an inexpensive sintered material, three asymmetrical circular arc-shaped radial bearings are formed in the inner peripheral surface of the shaft, taper land-shaped thrust bearings are formed in the opposite end surfaces of the radial bearing surface, T-shaped bubble removing means which is constituted by axial and radial flow passages formed in the shaft opposed to the radial bearing is provided, and magnetic fluid is used as a lubricant. A magnetic disk unit using the bearing device is also disclosed.
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Hatori Sachio
Inoue Tomoaki
Kono Takashi
Nakano Masaaki
Nishida Hiroshi
Hitachi , Ltd.
Japan Servo Co. Ltd.
Kaness Matthew A.
Marmor Charles A.
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